Term
| Name the 4 chambers of the heart |
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Definition
| L,R atria and L, R ventricles |
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Term
| What are the three layers of the heart wall? |
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Definition
| endocardium, myocardium, and visceral pericardium |
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Term
| What is development of the heart called? |
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Definition
|
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Term
| Angiogenic cell clusters are formed from |
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Definition
| splanchnic lateral plate mesoderm |
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Term
| Angiogenic cell clusters organize themselves into |
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Definition
|
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Term
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Definition
|
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Term
|
Definition
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Term
| Fused endocardial tubes then |
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Definition
|
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Term
|
Definition
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Term
| Cardiogenesis begin more ____ and ends up more____. (directional) |
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Definition
|
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Term
| What part of the heart is formed from AC clusters -> endocardial tubes |
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Definition
|
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Term
| Myocardium is formed from ___ that become |
|
Definition
splanchnic lateral plate mesoderm
myoblasts |
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Term
| What form the conducting system? |
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Definition
|
|
Term
| What forms the epicardium? |
|
Definition
| splanchnic lateral plate mesoderm |
|
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Term
| When all three layers are present, what is formed? |
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Definition
|
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Term
| What is subdivision of the heart due to? |
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Definition
|
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Term
| What are the three subdivisions of the heart? |
|
Definition
Primitive atrium
ventricle
bulbus cordis |
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|
Term
| When is formation of the cardiac loop complete? |
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Definition
|
|
Term
| Bulbus cordis is displaced |
|
Definition
| caudally, ventrally, and to the right |
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Term
|
Definition
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Term
| Primitive atrium is displaced |
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Definition
|
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Term
| What is derived from the primitive atria? |
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Definition
|
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Term
| What is derived from the ventricle? |
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Definition
|
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Term
| What is derived from the bublus cordis? |
|
Definition
| upper parts of the ventricles |
|
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Term
| What are the two heart shunts in a fetus? |
|
Definition
foramen ovule
ductus arteriosus |
|
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Term
| Where does the foramen ovule go? |
|
Definition
| right atrium to left atrium |
|
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Term
| After birth, what happens to the foramen ovule? |
|
Definition
| becomes fossa ovalis (closes and no longer functional) |
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Term
| Where does the ductus arteriosus go? |
|
Definition
| left pulmonary artery to the aorta |
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Term
| What happens to the ductus arteriosus after birth? |
|
Definition
| becomes ligamentum arteriosum (closes and no longer functional) |
|
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Term
| What begins atrial septum formation? |
|
Definition
| septum primum grows within atrium |
|
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Term
|
Definition
| foramen primum diminishes |
|
|
Term
|
Definition
| foramen secundum due to apoptosis |
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Term
|
Definition
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Term
| Incomplete growth of septum secundum leads to development of |
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Definition
|
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Term
| What does the septum primum become? |
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Definition
|
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Term
| What is the first step of ventricular septum formation? |
|
Definition
| muscular interventricular septum grows between ventricles |
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Term
| Incomplete closure of the interventricular septum makes |
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Definition
|
|
Term
| What gives rise to membranous interventricular septum? |
|
Definition
|
|
Term
| What are endochondrial cushions formed from? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| ventricular septal defect (2) |
|
Definition
1.persistent interventricular foramen (associated with membranous septum)
or
2. Incomplete formation of interventricular septum (associated with muscular septum) |
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|
